Comparison

Digmitto vs Stack Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Digmitto

Learn a powerful mnemonic technique to transform numbers into memorable words. This educational app offers interactive tutorials, practice exercises, and achievements to make memory improvement fun and effective. It supports multiple languages and works offline for a private learning experience.

Highlights
  • Interactive Major System tutorials
  • Number-to-word conversion exercises
  • Unlockable achievements and rewards
  • Customizable language dictionaries
  • Offline operation and privacy
  • User-friendly interface with animations
Features
Read full description

Digmitto is an innovative, open‐source educational app designed to teach you the Major System—a powerful mnemonic technique that transforms numbers into memorable words. Whether you’re a child, a student, or simply looking to boost your memory skills, Digmitto makes learning numbers fun, interactive, and highly effective. Key Features: Interactive Tutorials: Learn the Major System step by step. Our tutorial guides you through converting words into numbers and vice versa, making abstract concepts concrete and engaging. Practice Exercises: Engage in a series of exercises where you convert words into numbers. With every correct first-attempt answer, earn points and collect fun fruit icons. Achievements & Rewards: Track your progress as you unlock achievements such as First Steps, Memory Master, Speed Demon, Perfect Session, and Coconut Collector. All achievements are saved between sessions, so you always see your progress. Customizable Experience: Choose from multiple language dictionaries (Polish, English, Spanish) and adjust settings like cheat sheet display and color themes to tailor the app to your learning style. User-Friendly Interface: Enjoy a clean, intuitive design with dynamic animations and smooth gradient transitions. The interactive number wheels are grouped into triplets for easier reading of tens, thousands, and beyond. Offline Operation & Privacy: Digmitto works entirely offline—no personal data is collected. Your learning experience is fast, private, and secure. How It Works: Digmitto uses the Major System where each digit is associated with specific consonant sounds. For example, the digit 1 is linked with "T" or "D," while 9 corresponds to "P" or "B." By converting words into these numbers, you can easily remember long sequences. In each exercise: A random word is displayed. You adjust the number wheels to match the numerical code derived from the word. Instant feedback tells you if your answer is correct, and you earn points and rewards for first-attempt accuracy. Why Choose Digmitto? Effective Learning: Our engaging exercises help you quickly master number-to-letter associations. Fun & Interactive: With points, achievements, and vibrant animations, learning becomes a game. Proven Mnemonic Techniques: Based on the Major System, a tried-and-tested method for improving memory. Accessible & Multilingual: Fully localized for multiple languages, making it accessible to a global audience. Join thousands of users transforming their memory skills with Digmitto. Whether you’re preparing for exams, enhancing your cognitive skills, or simply curious about mnemonic techniques, Digmitto is your gateway to a smarter way of learning numbers. Download Digmitto today and start turning numbers into memories!

About

Stack Trainer

This app helps magicians memorize and recall card stacks with gamified drills and performance scenarios. It offers various practice modes to build speed, accuracy, and long-term retention of memorized decks.

Highlights
  • Gamified daily drills
  • Memorized deck recall training
  • Multiple practice modes
  • Performance tracking
  • Awards and personal bests
  • Apple Watch practice
Features
Read full description

Train your recall of Mnemonica and other memorized decks with Focused Daily Drills, Awards, Personal Bests, Apple Watch practice, and a one-time Pro unlock. Now you can also learn the Mnemonica Stack with the same one-time Pro unlock. Stack Trainer is the memorized-deck training app for magicians who want to build genuine, performance-ready stack fluency. Start by learning Mnemonica through an interactive PAO Peg course, then sharpen recall, speed and confidence with focused daily practice. The new PAO Peg Training teaches the stack card by card using vivid Person, Action and Object memory links, visual reinforcement, guided questions and active recall. Free users can experience the first five Mnemonica cards; unlock Pro to continue the complete course and turn your training into a full-stack skill. Whether you are learning your first memdeck or keeping an established stack sharp, Stack Trainer gives you a structured path from knowing a card to using it under pressure. Train the Skills That Matter Learn Mnemonica - Guided PAO Peg lessons that build card-to-position and position-to-card recall - Visual memory links, hints and progressive practice - First five cards free; complete training course with Pro Core Recall - Instantly recall a card from its position — and its position from the card - Train next-card and previous-card recall - Focus on small card groups, then expand toward the full stack Stack Fluency - Matchup, 4 of a Kind, Stack Segments and Rebuild Stack - Build speed, accuracy and whole-stack confidence Practical Stack Work - ACAAN practice for Any Card at Any Number thinking - Improv scenarios for flexible cut, count and reveal work Train Smarter Build the habit with daily reminders, streaks, Awards, Personal Bests and session statistics. Track your accuracy, recall time, weak cards and progress, then return to the cards that need more work. PAO memory links, notes, photos and focused repetition help turn fragile recall into practical fluency. Apple Watch - Keep your recall sharp anywhere with quick wrist-based practice. Your stats sync with iPhone. Pro — One-Time Unlock Unlock the complete Mnemonica PAO Peg training course, adaptive practice tools and the full Stack Trainer experience: - Full Mnemonica PAO Peg Training beyond the first five free cards - Adaptive card prioritization and spaced-repetition-based training - Additional stacks: Aronson, Redford, Particle System, Memorandum, Nikola Card System and Joyal - Create and train your own custom stacks - Full practical modes, including Improv with random starting-cut practice - Notes and photos in Learn Stack - Cloud sync for backup and restore - Future Pro features No ads. One purchase. A stack you can actually use. Train daily. Build fluency. Know your stack.

Screenshots

Digmitto4 screens
Stack Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Digmitto at none against Stack Trainer's 1. Digmitto also leads on iOS requirement (15.6 vs 17.6). Stack Trainer's advantage is review sentiment (67% vs 50%). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stack Trainer sells 1 one-off in-app purchase. Digmitto asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Digmitto versus Stack Trainer: the parameters behind the verdict, then further details
ParameterDigmittoStack Trainer
PriceFreeFree
Rating—4.6 (5 ratings) — better
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings—5 — better
Update frequency—Every 5 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.6 — better17.6
Further details — not scored
Size9 MB115 MB
Age rating4+4+
DeveloperGrzegorz KuleszaWayne Borcher

Customer experience

Digmitto

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Stack Trainer

All ratings5 ratings
Positive80.0%
Neutral20.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Digmitto

No in-app purchases

1 purchases

Stack Trainer

One-time1
  • Stack Trainer Pro$9.99

Questions

Is Digmitto free?
Digmitto is free to download, with no in-app purchases.
Is Stack Trainer free?
Stack Trainer is free to download, with in-app purchases available.
Do Digmitto or Stack Trainer have ads?
Neither Digmitto nor Stack Trainer shows ads.

Other comparisons